From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF256C2D0EA for ; Wed, 8 Apr 2020 16:04:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9DBB8206F5 for ; Wed, 8 Apr 2020 16:04:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="mFv+T1GX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DBB8206F5 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 388F08E000F; Wed, 8 Apr 2020 12:04:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3122B8E0006; Wed, 8 Apr 2020 12:04:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1DA268E000F; Wed, 8 Apr 2020 12:04:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0111.hostedemail.com [216.40.44.111]) by kanga.kvack.org (Postfix) with ESMTP id 00BF68E0006 for ; Wed, 8 Apr 2020 12:04:19 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id C5A97AC08 for ; Wed, 8 Apr 2020 16:04:19 +0000 (UTC) X-FDA: 76685159838.20.juice88_7d0d3c758c31e X-HE-Tag: juice88_7d0d3c758c31e X-Filterd-Recvd-Size: 6071 Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) by imf15.hostedemail.com (Postfix) with ESMTP for ; Wed, 8 Apr 2020 16:04:19 +0000 (UTC) Received: by mail-pl1-f195.google.com with SMTP id d24so2661318pll.8 for ; Wed, 08 Apr 2020 09:04:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=nJBrZOAI+O7uDmXymT00DnP1B9TkyeJyn82SJ4PF4fA=; b=mFv+T1GXb1ifnK4Qt5i9rQ0GjV3WcrEqr1D2RN5JyVyYLAS5XODxtF5GcjYiV2o8nY 8tWPgCHQh2FiSFUwGucHbzZW5Gr9LKm2P3/NOVDL6z9hn7/Z9GONZwA91jbO2+W7vGCL vw6cgEPbzSTDE90qasW64WkGBTWCzMCaTQZ+JyhXd+as/6KU2Ximuf9oTFp1s1VCnqzN 9faYE8IwDmSpjTcPDpqWVRTfnJnhjoCH/fnCsU4xE22Q0H7lDwIA/VIAuMt03yH2t3tI SqFlM45T3si+RDlNK/TwH/2fva2cDdKFNghaREJexFjXY+CTvN6Z5CVXuvTeYsX4T8TV dWNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=nJBrZOAI+O7uDmXymT00DnP1B9TkyeJyn82SJ4PF4fA=; b=jb3FszHaKaH/XTFxWzyOF6/vWf1EMZGUeZBKl4NoPmQkbNlgmUG5Ana3527IAZwHGd XiSJtICeh+i/p/F4m57Co+bnMSR/N9sCM2ll30idvdIa42odmfDlDBXhtuvNvouytSY/ ZluBkoHB+ocwovjFORNNJa9PyxSD2NxH5gw1G8rMlNV95ycsdnUe4D8srIRxS1ewcMKu Qa9HPW8/OETyQ+A8lvVMYgxYr/4S8QzFYkSADF2fqrHeEQSm5btJtCSffLor1CcQnMBY Vyu2Q+PxTPcYe3NiMYHkTxnN68jEW6Gf/N9zBHR0rbK9ajzffWAxZ5DNFQkD4gK+3LW7 Tc8g== X-Gm-Message-State: AGi0PuZRDhkTu1qTnx4vdSS2Uhz+csFQ4W6+XrmjMpafFWVDx7n9BNcv 3oGW8WLxKPGpJc/zbwJqMAskhfshZEqSGu3DXwJgCw== X-Google-Smtp-Source: APiQypLrDngRTETDdzt3GPnqXvI8q4bKxTrUK82s5S165NAPnm1kugxpKFGtQ1nT+fynSyxYBiKKhvviqD1IopZsUDs= X-Received: by 2002:a17:902:9889:: with SMTP id s9mr7141378plp.252.1586361858143; Wed, 08 Apr 2020 09:04:18 -0700 (PDT) MIME-Version: 1.0 References: <20200325161249.55095-1-glider@google.com> <20200325161249.55095-29-glider@google.com> In-Reply-To: <20200325161249.55095-29-glider@google.com> From: Andrey Konovalov Date: Wed, 8 Apr 2020 18:04:06 +0200 Message-ID: Subject: Re: [PATCH v5 28/38] kmsan: init: call KMSAN initialization routines To: Alexander Potapenko Cc: Jens Axboe , Andy Lutomirski , Vegard Nossum , Dmitry Vyukov , Marco Elver , Linux Memory Management List , Alexander Viro , Andreas Dilger , Andrew Morton , Andrey Ryabinin , Ard Biesheuvel , Arnd Bergmann , Christoph Hellwig , Christoph Hellwig , "Darrick J. Wong" , "David S. Miller" , Dmitry Torokhov , Eric Biggers , Eric Dumazet , Eric Van Hensbergen , Greg Kroah-Hartman , Harry Wentland , Herbert Xu , Ilya Leoshkevich , Ingo Molnar , Jason Wang , Marek Szyprowski , Mark Rutland , "Martin K. Petersen" , Martin Schwidefsky , Matthew Wilcox , "Michael S . Tsirkin" , Michal Hocko , Michal Simek , Petr Mladek , Qian Cai , Randy Dunlap , Robin Murphy , Sergey Senozhatsky , Steven Rostedt , Takashi Iwai , "Theodore Ts'o" , Thomas Gleixner , Vasily Gorbik , Wolfram Sang Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Mar 25, 2020 at 5:14 PM wrote: > > kmsan_initialize_shadow() creates metadata pages for mappings created > at boot time. > > kmsan_initialize() initializes the bookkeeping for init_task and enables > KMSAN. > > Signed-off-by: Alexander Potapenko > To: Alexander Potapenko > Cc: Jens Axboe > Cc: Andy Lutomirski > Cc: Vegard Nossum > Cc: Dmitry Vyukov > Cc: Andrey Konovalov > Cc: Marco Elver > Cc: linux-mm@kvack.org Reviewed-by: Andrey Konovalov > > --- > > Change-Id: Ie3af251d629b911668f8651d868c544f3c11209f > --- > init/main.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/init/main.c b/init/main.c > index 345a9ab4450f1..4dd15063d32fe 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -33,6 +33,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -772,6 +773,7 @@ static void __init mm_init(void) > page_ext_init_flatmem(); > init_debug_pagealloc(); > report_meminit(); > + kmsan_initialize_shadow(); > mem_init(); > kmem_cache_init(); > kmemleak_init(); > @@ -847,6 +849,7 @@ asmlinkage __visible void __init start_kernel(void) > sort_main_extable(); > trap_init(); > mm_init(); > + kmsan_initialize(); > > ftrace_init(); > > -- > 2.25.1.696.g5e7596f4ac-goog >